A county of South Carolina, United States. County seat: Marion.
A county of Florida, United States. County seat: Ocala.
A county of Mississippi, United States. County seat: Columbia.
A county of Indiana, United States, United States. County seat: Indianapolis. It is consolidated with Indianapolis as Indianapolis-Marion County.
A county of Ohio, United States. County seat: Marion.
A county of Georgia, United States. County seat: Buena Vista.
A county of Iowa, United States. County seat: Knoxville.
A county of Oregon, United States. County seat: Salem.
A county of Tennessee, United States. County seat: Jasper.
A county of Alabama, United States. County seat: Hamilton.
A county of Arkansas, United States. County seat: Yellville.
A county of Illinois, United States. County seat: Salem.
A county of Texas, United States. County seat: Jefferson.
A county of Kentucky, United States. County seat: Lebanon.
A county of West Virginia, United States. County seat: Fairmont.
A county of Missouri, United States. County seat: Palmyra.
A county of Kansas, United States. County seat: Marion.
A city, the county seat of Marion County, Florida.